2-3 tablespoons prepared tamarind paste (available at larger supermarkets or oriental stores ) or juice of 1 lemon
1-2 tablespoons sesame oil
3 tablespoons desiccated coconut
For the Vietnamese Dipping Sauce:
1 tablespoon caster sugar
2 tablespoons warm water
2 tablespoons prepared Thai fish sauce
2 tablespoons rice vinegar
1 garlic clove, peeled and finely chopped
1 small red chilli, deseeded and finely chopped
To Garnish:
2 small red onions, peeled and thinly sliced
4 tablespoons freshly chopped coriander
2 tablespoons groundnut or sunflower oil
Method
In a shallow non-metallic dish mix the marinade ingredients together. Add the lamb, stir gently, cover and marinate in the refrigerator for 2 hours, or if time allow overnight.
To prepare the dipping sauce; in a small bowl dissolve the sugar in the water then add the remaining ingredients and refrigerate until required, but serve at room temperature.
Thread the lamb cubes onto 8 small or 4 large metal or wooden skewers (previously soaked in water), remove any excess marinade and cook on a prepared barbecue or under a preheated moderate grill for 12-16 minutes, turning occasionally.
To garnish mix the onion, coriander and oil together. Serve with the kebabs and dipping sauce.